Attendance sign-in application development guide for DingTalk interface and PHP

DingTalk Interface and PHP Attendance Sign-in Application Development Guide

Introduction:
With the changes in modern working methods, more and more companies are beginning to use digital attendance systems to manage employees’ working time and attendance. As a leading enterprise-level communication and collaboration platform, DingTalk provides developers with a wealth of open interfaces, making the development of DingTalk-based attendance and sign-in applications a requirement for more enterprises.

In this article, we will introduce how to develop a simple attendance sign-in application by combining the interface provided by DingTalk and the PHP language.

1. Preparation

1. Register a DingTalk open platform account and create a self-built application. When creating an enterprise-built application, you need to select the interface permissions related to attendance permissions.
2. Download and install the PHP development environment and ensure that you can run PHP scripts.
3. Use Composer to manage our dependent libraries. Execute the following command on the command line to install the third-party library:

composer require guzzlehttp/guzzle

2. Obtain access_token
To access DingTalk’s open interface, we first need to obtain an access_token. You can use the following code to obtain it:

<?php
use GuzzleHttpClient;

$corpid = 'your_corpid';
$corpsecret = 'your_corpsecret';

$client = new Client();
$response = $client->get("https://oapi.dingtalk.com/gettoken?corpid={$corpid}&corpsecret={$corpsecret}");
$result = json_decode($response->getBody()->getContents(), true);

if ($result['errcode'] === 0) {
    $access_token = $result['access_token'];
} else {
    throw new Exception("获取access_token失败: " . $result['errmsg']);
}

Among them, your_corpid is your DingTalk enterprise ID, and your_corpsecret is the key of your enterprise’s self-built application.

3. Obtain attendance group information
We need to obtain the ID of the attendance group for subsequent sign-in operations. The following is a code example to obtain attendance group information:

<?php
$client = new Client();
$response = $client->get("https://oapi.dingtalk.com/attendance/list?access_token={$access_token}");
$result = json_decode($response->getBody()->getContents(), true);

if ($result['errcode'] === 0) {
    $groups = $result['recordresult'];
} else {
    throw new Exception("获取考勤组信息失败: " . $result['errmsg']);
}

4. Perform sign-in operation
We can use the following code to perform attendance sign-in:

<?php
$client = new Client();
$response = $client->post("https://oapi.dingtalk.com/attendance/list?access_token={$access_token}", [
    'json' => [
        'user_id' => 'userId',
        'group_id' => 'groupId',
        // 其他考勤信息
    ]
]);
$result = json_decode($response->getBody()->getContents(), true);

if ($result['errcode'] === 0) {
    // 签到成功
} else {
    throw new Exception("签到失败: " . $result['errmsg']);
}

Among them, userId and groupId are the employee ID and attendance group ID that need to sign in respectively. The corresponding value needs to be passed in according to the actual situation.

5. Summary
Through the above steps, we can develop a simple attendance sign-in application based on the DingTalk interface and PHP. Of course, the above is just a simple example, and more abnormal situations and specific business needs need to be considered in actual applications. I hope this article can bring some inspiration and help to developers and better use the DingTalk interface to develop enterprise-level applications.

Reference materials:

• [DingTalk Open Platform Documentation](https://ding-doc.dingtalk.com/doc#/serverapi2/uguild/yecg75)
• [Guzzle Documentation](http://docs.guzzlephp.org/en/stable/)

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